Upgrade your bike's performance with the RENTHAL Front Sprocket, featuring a 13 Tooth configuration (Part Number: 258--420-13GP). This premium sprocket is CNC-machined from high-quality case hardened and core refined 655M13 nickel chromium steel, ensuring exceptional durability and wear resistance. Designed with self-cleaning mud grooves at each tooth, it effectively prevents mud buildup, allowing for smooth operation even in challenging conditions. With an ultralight design that offers a 10-15% weight savings, this sprocket is perfect for riders looking to enhance their bike's efficiency and speed. Features: * Material: CNC-machined from case hardened and core refined 655M13 nickel chromium steel * Mud Groove Design: Machined self-cleaning mud grooves at each tooth to prevent mud buildup * Weight Savings: Ultralight design offers a 10-15% reduction in weight